Question

A train travels at a speed of 60 kilometre per hour for 0.52 hours at 30 km per hour for next 0.24 hours and then at 70 km per hour for next 0.71 hour what is the average speed of the train

Answer 1

hey!!
^_^

▪Find the total distance of the trip; (dist = speed * time)
d = (60*.52) + (30*.24) + (70*.71)
d = 31.2 + 7.2 + 49.7
d = 88.1 km
:
Find the total time for the trip
t = .52 + .24 + .71
t = 1.47 hrs
:
Find the av speed (a = d/t)
a =
a = 59.932 ~ 60 km/hr av speed for the trip

hope help u

Answer 2

Answer:

train travels at a speed of 60 km per 0.52 hours at 30 km per hour for next 0.24 hours and then at70 km per hour for next 0.7 hour what is the average speed of a train in km per PH

Explanation:

please tell me the answer